We can rotate digits by 180 degrees to form new digits. When 0, 1, 6, 8, 9 are rotated 180 degrees ...
原题链接在这里:https: leetcode.com problems confusing number ii 题目: We can rotate digits by degrees to form new digits. When , , , , are rotated degrees, they become , , , , respectively. When , , , and are ...
2020-02-29 13:14 0 1208 推荐指数:
We can rotate digits by 180 degrees to form new digits. When 0, 1, 6, 8, 9 are rotated 180 degrees ...
Given a number N, return true if and only if it is a confusing number, which satisfies the following condition: We can rotate digits by 180 ...
Single Number的加强班 有n个数字,除了一个只出现过一次,其他的都出现了3次! 出现两次我们知道就是xor下就木有啦,那3次怎么搞? 我们还是用二进制位的方式来思考。 那么这些位,除去出现过一次的那个后,其他的都是3的倍数!- -我们把所有位1的个数mod 3,那么剩下 ...
Problem Description: A 2d grid map of m rows and n columns is initially filled with water. We may p ...
Given an array of integers, every element appears three times except for one. Find that single one. ...
原题地址:http://oj.leetcode.com/problems/single-number-ii/ 题意:Given an array of integers, every element appears three times except for one. Find ...
题目和上题类似,这里给的数组仅有一个数出现一次,其他的出现3次。返回那个出现一次的数。 这题还是比较难想到的。不想上一题只要异或一下就可以了,不用额外操作。 法一:还是用map方法 ...
题目: Given an array of integers, every element appears three times except for one. Find that single ...